Fix bug with identification check for ordinal data
Fix bug with identification check for ordinal data

The number of rows was swapped with the number of columns in a
matrix declaration.

Thanks to Nathan Gillespie for a full working example script that
caught this.

jpritikin/OpenMx,jpritikin/OpenMx,jpritikin/OpenMx,jpritikin/OpenMx,jpritikin/OpenMx,jpritikin/OpenMx